cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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icmp.h (1918B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * INET		An implementation of the TCP/IP protocol suite for the LINUX
      4 *		operating system.  INET is implemented using the  BSD Socket
      5 *		interface as the means of communication with the user level.
      6 *
      7 *		Definitions for the ICMP module.
      8 *
      9 * Version:	@(#)icmp.h	1.0.4	05/13/93
     10 *
     11 * Authors:	Ross Biro
     12 *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
     13 */
     14#ifndef _ICMP_H
     15#define	_ICMP_H
     16
     17#include <linux/icmp.h>
     18
     19#include <net/inet_sock.h>
     20#include <net/snmp.h>
     21#include <net/ip.h>
     22
     23struct icmp_err {
     24  int		errno;
     25  unsigned int	fatal:1;
     26};
     27
     28extern const struct icmp_err icmp_err_convert[];
     29#define ICMP_INC_STATS(net, field)	SNMP_INC_STATS((net)->mib.icmp_statistics, field)
     30#define __ICMP_INC_STATS(net, field)	__SNMP_INC_STATS((net)->mib.icmp_statistics, field)
     31#define ICMPMSGOUT_INC_STATS(net, field)	SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field+256)
     32#define ICMPMSGIN_INC_STATS(net, field)		SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field)
     33
     34struct dst_entry;
     35struct net_proto_family;
     36struct sk_buff;
     37struct net;
     38
     39void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
     40		 const struct ip_options *opt);
     41static inline void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
     42{
     43	__icmp_send(skb_in, type, code, info, &IPCB(skb_in)->opt);
     44}
     45
     46#if IS_ENABLED(CONFIG_NF_NAT)
     47void icmp_ndo_send(struct sk_buff *skb_in, int type, int code, __be32 info);
     48#else
     49static inline void icmp_ndo_send(struct sk_buff *skb_in, int type, int code, __be32 info)
     50{
     51	struct ip_options opts = { 0 };
     52	__icmp_send(skb_in, type, code, info, &opts);
     53}
     54#endif
     55
     56int icmp_rcv(struct sk_buff *skb);
     57int icmp_err(struct sk_buff *skb, u32 info);
     58int icmp_init(void);
     59void icmp_out_count(struct net *net, unsigned char type);
     60bool icmp_build_probe(struct sk_buff *skb, struct icmphdr *icmphdr);
     61
     62#endif	/* _ICMP_H */